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which activates even more fun sounds
enjoy watching 'reef sharks' puzzle come together piece by piece as the jigsaw puzzle is assembled
a crocodile on wheels with hinged jaws
The excavator shovel can also be moved by operating the lever
colors and more
Optical Science (V 2.0) Schylling which activates even more funThe Science of Light, Optics, & Visual Perception Astonish yourself with optical illusions and amazing visual phenomena as you explore the science of human perception in this fascinating kit. Experiment with light and the color spectrum by building a color wheel, a fiber optic peacock, and diffraction glasses. Learn how the eye and a camera are similar and how they are different. Build a camera obscura and pinhole glasses. Investigate lenses and light
US$ 39.00
US$ 29.95
US$ 89.00
US$ 17.00
